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Improved serializers for filtering nearby students studying

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This commit is contained in:
Keannu Christian Bernasol 2023-09-02 13:24:55 +08:00
parent 0436f8082f
commit 49afdc981f
4 changed files with 77 additions and 9 deletions
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19
stude/student_status/serializers.py
View file

@ -55,8 +55,25 @@ class StudentStatusSerializer(serializers.ModelSerializer):
class StudentStatusLocationSerializer(serializers.ModelSerializer):
user = serializers.CharField(source='user.full_name', read_only=True)
subject = serializers.SlugRelatedField(
queryset=Subject.objects.all(), slug_field='name', required=True)
location = PointField(required=True)
distance = serializers.SerializerMethodField()
landmark = serializers.SlugRelatedField(
queryset=Landmark.objects.all(), many=False, slug_field='name', required=False, allow_null=True)
class Meta:
model = StudentStatus
fields = ['location']
fields = ['user', 'location', 'distance',
'subject', 'active', 'study_group', 'landmark']
read_only_fields = ['user', 'distance', 'subject',
'active', 'study_group', 'landmark']
def get_distance(self, obj):
return obj.distance.km
def to_representation(self, instance):
representation = super().to_representation(instance)
representation['distance'] = self.get_distance(instance)
return representation

8
stude/student_status/views.py
View file

@ -29,8 +29,9 @@ class ActiveStudentStatusListAPIView(generics.ListAPIView):
class StudentStatusListByStudentStatusLocation(generics.ListAPIView):
serializer_class = StudentStatusSerializer
serializer_class = StudentStatusLocationSerializer
permission_classes = [IsAuthenticated]
http_method_names = ['get']
def get_queryset(self):
user = self.request.user
@ -46,7 +47,8 @@ class StudentStatusListByStudentStatusLocation(generics.ListAPIView):
class StudentStatusListByCurrentLocation(viewsets.ViewSet):
serializer_class = StudentStatusLocationSerializer
# permission_classes = [IsAuthenticated]
permission_classes = [IsAuthenticated]
http_method_names = ['post']
def create(self, request):
user = self.request.user
@ -57,5 +59,5 @@ class StudentStatusListByCurrentLocation(viewsets.ViewSet):
user_location = fromstr(location_str, srid=4326)
queryset = StudentStatus.objects.filter(subject__in=user.subjects.all()).annotate(
distance=Distance('location', user_location)).filter(distance__lte=50)
serializer = StudentStatusSerializer(queryset, many=True)
serializer = StudentStatusLocationSerializer(queryset, many=True)
return Response(serializer.data)